1528Gustav Voigt filed in https://www.google.com/patents/US1054374
- Apr 25, 2014
Filed: Jan. 16, 1912
Hang gliding history community may find interest in Gustav Voigt,
( no "h" in his name, but for research the misspelling Voight has occurred.)
Later, it is to be noted that US3135482 cited Gustav Voigt.
The marriage of the (cable-stayed triangle control frame for crafts) TCF of 1908 W. Simon had at the Peter-Girard time been exampled in the John Worth crafts.